CN109059125B - Photocatalysis water filters formula air purifier - Google Patents
Photocatalysis water filters formula air purifier Download PDFInfo
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- CN109059125B CN109059125B CN201810890213.4A CN201810890213A CN109059125B CN 109059125 B CN109059125 B CN 109059125B CN 201810890213 A CN201810890213 A CN 201810890213A CN 109059125 B CN109059125 B CN 109059125B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/117—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using wet filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/167—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using catalytic reactions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
Abstract
The photocatalytic water filtration type air purifier provided by the invention adopts a photocatalytic curved cone array, skillfully applies the surface tension of the liquid, and develops a novel water filtration type photocatalytic air purifier by utilizing a novel principle that a hydrophobic surface structure is easy to adsorb bubbles and a cone structure controls the bubble transport direction. The new-concept purifier effectively combines photocatalysis and water filtering technologies, and has the advantages of no filter screen, no material consumption, safe and thorough purification, low noise, difficulty in mildew formation and the like. Replace the filter screen in traditional clarifier, do not have the consumptive material that needs often to change to use cost has been practiced thrift. Meanwhile, by means of the advantages of the nano photocatalytic material, organic pollutants in the air are decomposed through photocatalytic reaction, and the nano photocatalytic material has the characteristics of thorough purification, no secondary pollution, long service life and the like.
Description
Technical Field
The invention belongs to the technical field of purification equipment, and particularly relates to a water filtration type air purifier with a photocatalytic characteristic. Belongs to the technical field of air purifier manufacture.
Background
Air purifiers are widely used in the fields of housing, medical treatment and industry, and have the function of removing various pollutants in air, including dust, PM2.5, volatile organic compounds and the like. Most of the existing purifier core components are based on a filter screen. After the filter screen is used for a period of time, the intercepted particles can block the meshes, the air resistance is increased, and the filtering effect is reduced. A more serious problem is that the screen merely acts as a fixing, filtering, and does not degrade any contaminants remaining thereon. After a period of time, especially in high temperature environments, contaminants may detach from the screen, causing secondary pollution. Therefore, the filter screen is a consumable material and needs to be replaced frequently, and the high-performance filter screen is expensive, so that great use expense is brought to users.
The water filtering principle is used in the air purifier, so that the traditional filter screen can be omitted, the problem of frequent replacement of the filter screen is avoided, and the air purifier belongs to a novel structure. However, the current water filtration type air purifier only utilizes the principle of air washing, namely, the pure physical filtration process is utilized to remove air pollutants. Therefore, the problems of pollutant residue and secondary pollution can not be thoroughly solved. In addition, because the water in the purifier contains organic matters left after filtration, microorganisms are easy to breed in a humid environment, so that devices are easy to go moldy, and the health risk of mold infection is brought to people using the purifier, and the problems seriously reduce the practicability of the water filtration purifier.
The photocatalytic materials (namely photocatalyst materials) such as nano titanium dioxide degrade organic pollutants into nontoxic substances through photocatalytic reaction. Thorough purification and effective avoidance of secondary pollution, and has been widely used in filter screen type air purifiers. However, in the water filtration type air purifier, an effective means for fixing the photocatalytic material is still lacked, and the nano photocatalytic material is easily dispersed in water. In addition, in order to ensure the full progress of the photocatalytic reaction, it is also one of the bottlenecks in the prior art how to make the bubbles in the water fully contact the photocatalytic material.
The invention provides a brand-new air purifier which is developed by adopting a photocatalytic curved cone array, skillfully applying the surface tension of liquid and utilizing the novel principle that a hydrophobic surface structure is easy to adsorb bubbles and a taper structure is used for controlling the bubble transport direction. The novel purifier effectively combines photocatalysis and water filtration technologies, solves various problems of the traditional purifier, and has the advantages of no filter screen, no material consumption, safe and thorough purification, low noise, difficult mildew and the like.
Disclosure of Invention
The technical problem is as follows: in light of the above deficiencies of the prior art, the present invention is to provide a photocatalytic water filtration type air purifier, which replaces the filter net of the conventional purifier with a water filtration-photocatalytic purification structure without the need of frequent replacement of the consumable parts, thereby saving the use cost. Meanwhile, by means of the advantages of the photocatalytic material, organic pollutants in the air are decomposed through photocatalytic reaction, and the air purifying agent has the characteristics of thorough purification and no secondary pollution.
The technical scheme is as follows: in order to solve the technical problems, the photocatalytic water filtration type air purifier adopts the technical scheme that:
the photocatalytic water filtering type air purifier comprises an air inlet, an air outlet, a water inlet, a water outlet, a fan, an air duct, an ultraviolet light source, a purifying chamber, a fixing frame, a photocatalytic bent cone array, an air hole and a box body; the structure is that the fan is arranged in the air duct and positioned between the air inlet and the top of the purification chamber; the air outlet is positioned on the side wall of the purification chamber, and the water inlet is positioned below the air outlet on the side wall of the purification chamber and above the water surface; the water outlet is positioned on the side wall below the box body; the ultraviolet light source, the fixing frame, the photocatalytic bent cone array and the air holes are positioned in the purifying chamber, wherein the air holes are positioned at the bottom of the purifying chamber and correspond to the photocatalytic bent cone array one by one; the photocatalytic bending cone array is fixed in the water of the purification chamber by a fixing frame and is positioned at the upper part of the air hole; the ultraviolet light source is positioned at the top part in the purification chamber.
Wherein:
the photocatalytic curved cone array is composed of a plurality of single photocatalytic curved cones, the number of the photocatalytic curved cones is 2-10, and the distance between the photocatalytic curved cones is 10-10000 mm.
The photocatalytic curved cone array is made of polyethylene, polyvinyl chloride or polystyrene or other resin materials with thermoplasticity.
The photocatalysis curved cone array is in the shape of a combination of a plurality of sections of cone structures, the curvature radius of each section is 1-1000mm, and the photocatalysis curved cone array has the function of increasing the transport path of bubbles in a water body so as to prolong the time of carrying out photocatalysis reaction.
The diameter of the photocatalytic curved cone array is gradually reduced from the top to the tail, the ratio of the diameter of any cross section to the length of the position is in the range of 0.01 to 1, the photocatalytic curved cone array has the functions of enabling the surface tension of the upper end and the lower end of the air bubble to be different, the air bubble moves towards the direction with larger diameter based on the action of resultant force, and the air bubble is conveyed along a curved path from bottom to top.
The surface of the photocatalytic curved cone array is attached with a photocatalytic material, and the photocatalytic material has the function of degrading small molecule pollutants.
The photocatalytic material is titanium dioxide, zinc oxide, tin oxide, zirconium dioxide or cadmium sulfide hydrophobic photocatalytic material, so that the surface of the photocatalytic curved cone array is in a hydrophobic state.
The central light-emitting wavelength of the ultraviolet light source is 365nm, and the power of the ultraviolet light source is 10-100W.
The work principle of the photocatalytic water filtration type air purifier is that water enters the purifying chamber from the water inlet. The fan leads the air to be purified from the air inlet to the bottom air hole through the air channel, and the air to be purified carries some pollen, smoke dust and other large-volume and large-mass particles and NO2、NH3And the soluble substances are dissolved in water and flow out through the water outlet. Insoluble pollutants such as methane and the like are remained in the bubbles and float upwards along with the bubbles. The air bubbles are attached to the surface of the photocatalytic curved cone array fixed by the fixing frame due to surface tension, pollutants are decomposed under the excitation of the ultraviolet light source, and the purified air is discharged to the natural environment through the air outlet.
Has the advantages that: compared with the prior art, the invention has the following advantages:
1. at present, most of air purification products adopt a filter screen structure, and the filter screen has a certain service life and needs to be frequently replaced. The invention adopts a novel structure of water washing and photocatalysis to replace a filter screen in the traditional air purifier. No consumable materials need to be replaced, and the use cost is reduced.
2. The existing water filtration type air purifier only depends on a physical process to remove air pollutants, and has the hidden trouble of secondary pollution. The invention thoroughly removes organic pollutants by utilizing a chemical process of photocatalysis reaction, prevents secondary pollution, and has thorough and safe purification.
3. The photocatalytic curved cone array skillfully applies the surface tension of water and utilizes the novel principle that a hydrophobic surface structure is easy to adsorb bubbles and a taper structure controls the bubble conveying direction. On one hand, the effective fixation of the nano titanium dioxide photocatalytic material is ensured, so that the nano titanium dioxide photocatalytic material cannot be dispersed into water, and on the other hand, organic pollutants can be in full contact with the photocatalytic material and have enough long photocatalytic reaction time. Is an effective way for simultaneously applying two technical means of photocatalysis and water filtration.
4. The parts of the invention in water are all fixed structures and do not need to move. The water flow sound is obviously reduced. Is particularly suitable for being used in places sensitive to noise, such as bedrooms and the like.
5. The traditional water filtration type air purifier is easy to get mildewed after being used for a long time. The invention introduces the photocatalytic reaction, the process also has the catalytic decomposition effect on organic matters in water in the purifier, and the strong oxidizing groups generated in the reaction process have the sterilization capability, thereby solving the problem that microorganisms such as mildew and the like are easy to breed in the purifier under the humid environment, and improving the practicability and the safety of the water filtering air purifier.
Drawings
Figure 1 is a block diagram of the present invention,
figure 2 is a diagram of the photocatalytic curved cone array structure,
the figure shows that: the air purifier comprises an air inlet 1, an air outlet 2, a water inlet 3, a water outlet 4, a fan 5, an air duct 6, an ultraviolet light source 7, a purifying chamber 8, a fixing frame 9, a photocatalytic bent cone array 10, a length 101, a diameter 102, a photocatalytic material 103, an air hole 11 and a box body 12.
Detailed Description
As shown in fig. 1, the photocatalytic water filtration type air purifier of the present invention includes an air inlet 1, an air outlet 2, a water inlet 3, a water outlet 4, a fan 5, an air duct 6, an ultraviolet light source 7, a purification chamber 8, a fixing frame 9, a photocatalytic curved cone array 10, an air hole 11, and a box body 12;
the mechanical structure is that the fan 5 is arranged in the air duct 6 and is positioned between the air inlet 1 and the top of the purification chamber 8; the air outlet 2 is positioned on the side wall of the purification chamber 8, and the water inlet 3 is positioned below the air outlet 2 on the side wall of the purification chamber 8 and above the water surface; the water outlet 4 is positioned on the side wall below the box body 12; the ultraviolet light source 7, the fixing frame 9, the photocatalytic curved cone array 10 and the air holes 11 are positioned in the purifying chamber 8, wherein the air holes 11 are positioned at the bottom of the purifying chamber 8 and correspond to the photocatalytic curved cone array 10 one by one; the photocatalytic curved cone array 10 is fixed in the water of the purification chamber 8 by a fixing frame 9 and is positioned at the upper part of the air hole 11; the uv light source 7 is located at the top inside the clean room 8.
The photocatalytic curved cone array 10 is composed of a plurality of single photocatalytic curved cones, the number of the photocatalytic curved cones is 2-10, the distance between the photocatalytic curved cones is 10-10000mm, and the photocatalytic curved cones are composed of polyethylene, polyvinyl chloride or polystyrene or other thermoplastic resin materials.
As shown in fig. 2, the photocatalytic curved cone array 10 of the photocatalytic water filtration type air purifier of the present invention has a shape of a combination of a plurality of sections of cone structures, each section of which has a radius of curvature of 1-1000mm, and has a function of increasing the transport path of bubbles in a water body, thereby prolonging the time for a photocatalytic reaction to proceed. The diameter of the bubble is gradually reduced from the top to the tail, the ratio of the diameter 102 of any cross section to the length 101 of the position is in the range of 0.01 to 1, the function of the bubble is to make the surface tension of the upper end and the lower end of the bubble different, the bubble moves to the direction with larger diameter based on the resultant force, and the bubble is conveyed along a curved path from bottom to top. The surface of which is attached with a photocatalytic material 103 that functions to degrade small molecule contaminants. The photocatalytic material 103 is a hydrophobic photocatalytic material such as titanium dioxide, zinc oxide, tin oxide, zirconium dioxide or cadmium sulfide, so that the surface of the photocatalytic curved cone array is in a hydrophobic state.
The central light-emitting wavelength of the ultraviolet light source 7 is 365nm, and the power of the ultraviolet light source is 10-100W.
Before the water filtration type air purifier works in a power-on mode, a user closes the water outlet, and water is injected into the purifying chamber from the water inlet until the liquid level rises to the standard liquid level. The water inlet is then closed, at which point the photocatalytic curved cone array is mostly submerged in water. After the power is on, the fan rotates, and the ultraviolet light source is turned on.
The fan pumps the air to be purified into the air channel through the air inlet. Passing into the water in the form of bubbles from the air holes. Some large-volume and large-mass particulate matters and soluble substances carried in the air are left in the water body through the water filtering effect, and other small-molecule pollutants are left in the bubbles and float upwards along with the bubbles. Due to surface tension, the bubbles are trapped by the photocatalytic curved cone array submerged in water, adhering to its surface. The surface of the photocatalytic curved cone array is in a hydrophobic state due to the fact that the oil-soluble nano titanium dioxide photocatalytic material is fixed on the surface, and therefore the photocatalytic curved cone array has high capture rate on bubbles. The titanium dioxide photocatalytic material photocatalyzes and degrades organic pollutants in the bubbles into nontoxic carbon dioxide and water under the irradiation of an ultraviolet light source, and realizes thorough air purification.
When the air bubbles are in contact with the photocatalytic curved cone array and form an air film, the surface tension is far greater than the buoyancy, the air bubbles no longer float upwards under the action of the buoyancy, and the conveying direction of the air bubbles is determined by the surface tension. Because the structure has certain taper, namely the diameter is gradually reduced from top to bottom, the surface tension of the upper end and the lower end of the bubble has difference, and the resultant force action enables the bubble to move towards the direction with larger diameter, thereby completing the transportation of the bubble from bottom to top. Eventually the bubbles move to the surface of the water and escape from the water. The air purified by the water filtering-photocatalysis process is discharged from the purifier through the air outlet.
After using a period of time, the water filters formula air purifier aquatic and mixes large granule pollutant and soluble pollutant, needs to change. The operation method comprises the following steps: after the device is powered off and closed, a user can discharge water in the device through the water outlet.
Claims (7)
1. A photocatalytic water filtering type air purifier is characterized by comprising an air inlet (1), an air outlet (2), a water inlet (3), a water outlet (4), a fan (5), an air duct (6), an ultraviolet light source (7), a purifying chamber (8), a fixing frame (9), a photocatalytic bent cone array (10), air holes (11) and a box body (12); the structure is that the fan (5) is arranged in the air channel (6) and is positioned between the air inlet (1) and the top of the purification chamber (8); the air outlet (2) is positioned on the side wall of the purification chamber (8), and the water inlet (3) is positioned below the air outlet (2) on the side wall of the purification chamber (8) and above the water surface; the water outlet (4) is positioned on the side wall below the box body (12); the ultraviolet light source (7), the fixing frame (9), the photocatalytic curved cone array (10) and the air holes (11) are positioned in the purifying chamber (8), wherein the air holes (11) are positioned at the bottom of the purifying chamber (8) and correspond to the photocatalytic curved cone array (10) one by one; the photocatalytic curved cone array (10) is fixed in the water of the purification chamber (8) by a fixing frame (9) and is positioned at the upper part of the air hole (11); the ultraviolet light source (7) is positioned at the top in the purifying chamber (8);
the photocatalytic curved cone array (10) is composed of a plurality of single photocatalytic curved cones, the number of the photocatalytic curved cones is 2-10, and the distance between the photocatalytic curved cones is 10-10000 mm.
2. The photocatalytic water filtering type air purifier according to claim 1, characterized in that: the photocatalytic curved cone array (10) is composed of polyethylene, polyvinyl chloride or polystyrene or other resin material having thermoplastic properties.
3. The photocatalytic water filtering type air cleaner according to claim 2, characterized in that: the photocatalysis curved cone array (10) is in the shape of a combination of a plurality of sections of cone structures, the curvature radius of each section is 1-1000mm, and the photocatalysis curved cone array has the functions of increasing the transport path of bubbles in a water body and further prolonging the time of carrying out photocatalysis reaction.
4. A photocatalytic water filtration type air cleaner as set forth in claim 3, wherein: the diameter of the photocatalytic curved cone array (10) is gradually reduced from the top to the tail, the ratio of the diameter (102) of any cross section to the length (101) of the position is in the range of 0.01-1, the photocatalytic curved cone array has the functions of enabling the surface tension of the upper end and the surface tension of the lower end of the bubble to be different, enabling the bubble to move towards the direction with larger diameter based on the resultant force effect, and realizing the transportation of the bubble along a curved path from bottom to top.
5. The photocatalytic water filtering type air purifier according to claim 4, characterized in that: the surface of the photocatalytic curved cone array (10) is attached with a photocatalytic material (103) which has the function of degrading small molecule pollutants.
6. The photocatalytic water filtering type air purifier according to claim 5, characterized in that: the photocatalytic material (103) is a titanium dioxide, zinc oxide, tin oxide, zirconium dioxide or cadmium sulfide hydrophobic photocatalytic material, so that the surface of the photocatalytic curved cone array is in a hydrophobic state.
7. The photocatalytic water filtering type air purifier according to claim 1, characterized in that: the central light-emitting wavelength of the ultraviolet light source (7) is 365nm, and the power of the ultraviolet light source is 10-100W.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810890213.4A CN109059125B (en) | 2018-08-07 | 2018-08-07 | Photocatalysis water filters formula air purifier |
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| CN201810890213.4A CN109059125B (en) | 2018-08-07 | 2018-08-07 | Photocatalysis water filters formula air purifier |
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| CN109059125B true CN109059125B (en) | 2020-08-11 |
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| CN109915981A (en) * | 2019-03-27 | 2019-06-21 | 苏州泰立朗纳米新材料科技有限公司 | A kind of no material consumption sterilizing fresh air system component |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2567497Y (en) * | 2002-07-30 | 2003-08-20 | 亚翔工程股份有限公司 | Integral applied device for air washing device and optical catalyst for air conditioner |
| CN2628914Y (en) * | 2003-03-19 | 2004-07-28 | 聂海瑜 | Optical catalystic air purifier |
| CN101757900A (en) * | 2009-12-28 | 2010-06-30 | 东南大学 | Superhydrophilic nano titanium dioxide photocatalysis composite membrane as well as preparation method and application thereof |
| CN205182381U (en) * | 2015-11-23 | 2016-04-27 | 北京福兆朗风科技有限公司 | Air purifier with light catalytic unit |
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- 2018-08-07 CN CN201810890213.4A patent/CN109059125B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2567497Y (en) * | 2002-07-30 | 2003-08-20 | 亚翔工程股份有限公司 | Integral applied device for air washing device and optical catalyst for air conditioner |
| CN2628914Y (en) * | 2003-03-19 | 2004-07-28 | 聂海瑜 | Optical catalystic air purifier |
| CN101757900A (en) * | 2009-12-28 | 2010-06-30 | 东南大学 | Superhydrophilic nano titanium dioxide photocatalysis composite membrane as well as preparation method and application thereof |
| CN205182381U (en) * | 2015-11-23 | 2016-04-27 | 北京福兆朗风科技有限公司 | Air purifier with light catalytic unit |
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